Energy supports the activities of human body, whereas nutrients are vital for growth, repair and maintenance of good health.

热量支持人体的活动，而营养素在帮助人类成长、修补身体组织和保持健康方面，尤其重要。

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No matter what kind of things have to rely on maintenance, maintenance methods, maintenance of good, old things and will glow" youthful luster"!

无论什么东西都要靠保养，保养方法对了，保养好了，再老的东西亦然会焕发“青春光彩”！

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Some studies have suggested that high intakes of omega-3 fatty acids, most commonly found in oily fish, are important for the maintenance of good cognitive health in later life.

一些研究显示大量摄取主要来自于鱼油的欧米伽3脂肪酸，对于老年人保持良好认知状态尤为重要。

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It is essential to the maintenance of good order and discipline that the UCMJ be preserved as the preeminent code of conduct for U.S. service personnel.

CENTERFORSECURITYPOLICY: Center For Security Policy

In this week's New England Journal of Medicine, an editorial points out that "the strength and maintenance of erections" of men on Viagra were not as good as men who were not impotent.

CNN: Study: Viagra doesn't work for every impotent man

For most, but not all, maintenance of a normal weight and a good diet will prevent development of type 2 diabetes.

CNN: What's the difference between type 1 and type 2 diabetes?